1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_AVINTR_H 27 #define _SYS_AVINTR_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #include <sys/mutex.h> 32 #include <sys/dditypes.h> 33 #include <sys/ddi_intr.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /* 40 * Period of autovector structures (add this in to get the next level). 41 */ 42 #define MAXIPL 16 43 #define INT_IPL(x) (x) 44 #define AV_INT_SPURIOUS -1 45 46 #ifdef __STDC__ 47 typedef uint_t (*avfunc)(caddr_t, caddr_t); 48 #else 49 typedef uint_t (*avfunc)(); 50 #endif /* __STDC__ */ 51 52 struct autovec { 53 54 /* 55 * Interrupt handler and argument to pass to it. 56 */ 57 58 struct autovec *av_link; /* pointer to next on in chain */ 59 uint_t (*av_vector)(); 60 caddr_t av_intarg1; 61 caddr_t av_intarg2; 62 uint64_t *av_ticksp; 63 uint_t av_prilevel; /* priority level */ 64 65 /* 66 * Interrupt handle/id (like intrspec structure pointer) used to 67 * identify a specific instance of interrupt handler in case we 68 * have to remove the interrupt handler later. 69 * 70 */ 71 void *av_intr_id; 72 dev_info_t *av_dip; 73 }; 74 75 struct av_head { 76 struct autovec *avh_link; 77 ushort_t avh_hi_pri; 78 ushort_t avh_lo_pri; 79 }; 80 81 /* softing contains a bit field of software interrupts which are pending */ 82 struct softint { 83 int st_pending; 84 }; 85 86 #ifdef _KERNEL 87 88 extern kmutex_t av_lock; 89 extern ddi_softint_hdl_impl_t softlevel_hdl[]; 90 extern ddi_softint_hdl_impl_t softlevel1_hdl; 91 extern int add_avintr(void *intr_id, int lvl, avfunc xxintr, char *name, 92 int vect, caddr_t arg1, caddr_t arg2, uint64_t *, dev_info_t *); 93 extern int add_nmintr(int lvl, avfunc nmintr, char *name, caddr_t arg); 94 extern int add_avsoftintr(void *intr_id, int lvl, avfunc xxintr, 95 char *name, caddr_t arg1, caddr_t arg2); 96 extern int rem_avsoftintr(void *intr_id, int lvl, avfunc xxintr); 97 extern int av_softint_movepri(void *intr_id, int old_lvl); 98 extern void update_avsoftintr_args(void *intr_id, int lvl, caddr_t arg2); 99 extern void rem_avintr(void *intr_id, int lvl, avfunc xxintr, int vect); 100 extern void wait_till_seen(int ipl); 101 extern uint_t softlevel1(caddr_t, caddr_t); 102 103 #endif /* _KERNEL */ 104 105 #ifdef __cplusplus 106 } 107 #endif 108 109 #endif /* _SYS_AVINTR_H */ 110